SCHEDULE: Matthew Rizai Reports 4.8% Stake in Workiva Inc.

Matthew M. Rizai, a significant holder, has filed an amended Schedule 13G disclosing a 4.8% beneficial ownership in Workiva Inc.'s Class A Common Stock.

Summary

• Matthew M. Rizai beneficially owns 2,658,114 shares of Workiva Inc. Class A Common Stock, representing 4.8% of the class.
• The ownership calculation includes 1,985,109 shares of Class B common stock, which are convertible into Class A common stock on a one-for-one basis, and 140,204 shares of Class A common stock acquirable within 60 days through option exercise.
• Mr. Rizai holds sole voting power over 2,588,273 shares and shared voting power over 69,841 shares.
• He holds sole dispositive power over 1,417,613 shares and shared dispositive power over 917,892 shares.
• The percentage is based on 52,711,521 shares of Class A common stock outstanding as of December 31, 2025, plus shares beneficially owned by Mr. Rizai that are treated as converted or exercised.
• Each Class A common stock share is entitled to one vote, while each Class B common stock share is entitled to ten votes, though the reported percentage does not reflect this enhanced voting power.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral filing. It is a routine amendment to a beneficial ownership report, disclosing a significant but sub-5% stake, and does not inherently signal positive or negative company performance or strategic shifts.

Future Outlook

NA

Industry Context

StockSavvy.ai notes that this filing is a routine disclosure of a significant individual shareholder's stake and does not provide broader industry context or trends. It primarily informs the market about the ownership structure of Workiva Inc. by a key individual.

Related Party Transactions

• Matthew M. Rizai's beneficial ownership includes shares held through various family trusts (Matthew Rizai Revocable Trust, Marital Trust, other family trusts) and joint tenancy with Svetlana Skopcenko Rizai, indicating related party structures for holding shares.

Stakeholder Impact

• Shareholders are informed of the current beneficial ownership stake of Matthew M. Rizai, a significant individual holder, which can influence perceptions of insider confidence and control.

Key Dates

Keywords

Workiva Inc., WKC, Matthew M. Rizai, Schedule 13G, Beneficial Ownership, Class A Common Stock, Class B Common Stock, SEC Filing, Insider Holdings